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Home / Vulnerability Intelligence / CVE-2026-27802

CVE-2026-27802 - Vulnerability Analysis

HighCVSS: 8.3

Last Updated: March 4, 2026

Vaultwarden - Privilege Escalation

Published: March 4, 2026Updated: March 4, 2026Remote Exploitable

Overview

Vaultwarden < 1.35.4 contains a privilege escalation caused by bulk permission update to unauthorized collections by Manager, letting attackers escalate privileges, exploit requires Manager role.

Severity & Score

Severity: High
CVSS Score: 8.3

Impact

Attackers with Manager role can escalate privileges by updating permissions on unauthorized collections.

Mitigation

Update to version 1.35.4 or later.

Details

CVE ID
CVE-2026-27802
Severity
High
CVSS Score
8.3
Type
broken_access_control
Status
new

CWE

  • CWE-269

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L